Clock on Wallpaper - This application will draw an analog clock on the Launcher application wallpaper. User may select your favour image as the new wallpaper with analog clock, after the application exit, it will restore the original wallpaper.

Change Wallpaper, select a new image for wallpaper with analog clock.
Use default wallpaer, draw analog clock on the default wallpaper
Start Clock, start draw clock on wallpaper.
Stop Clock, stop draw clock on wallpaper, and restore the original wallpaper.